Watch



FIG. 1 is a full front view of my new and ornamental design for a watch;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is top view thereof;

FIG. 6 is bottom view thereof; and,

FIG. 7 is a perspective view thereof. 

The ornamental design for a watch, as shown and described. 